Jennifer Aniston Works on Her Fitness in West Hollywood

Jennifer Aniston quickly heads to her car after getting a workout in at the gym on Wednesday afternoon (July 27) in West Hollywood, Calif.

The 47-year-old actress carried a bottle of water with her to stay hydrated.

In case you missed it, the first trailer for Jen‘s upcoming film Office Christmas Party was just released!

Also starring Jason Bateman, Kate McKinnon, and Olivia Munn, the film follows a CEO who tries to close her hard-partying brother’s branch.

Office Christmas Party hits theaters on December 9!

35+ pictures inside of Jennifer Aniston hitting the gym in WeHo…